What the family physician should know about proctology.
D001004:Anus Diseases / Q000175:diagnosis*; D001005:Anus Neoplasms / Q000175:diagnosis; D003108:Colonic Diseases / Q000175:diagnosis*; D006801:Humans; D011351:Proctoscopy; D012002:Rectal Diseases / Q000175:diagnosis*; D012004:Rectal Neoplasms / Q000175:diagnosis; D012812:Sigmoidoscopy